The reasons for this change are not clear, but Thomas never became a consecrated Bishop of Galloway nor did he ever attain another bishopric.
Little of Vaus' activities as Bishop of Galloway, like any of the sees that he held are particularly well documented.
John Mitchell Taylor was Bishop of Glasgow and Galloway from 1991 to 1998.
John of Whithorn (died 1209) was a medieval Bishop of Galloway.
Gordon is mentioned in 1588 as Bishop of Galloway; but he resigned his rights before 8 July 1586.
During his time, he received papal provision to be Bishop of Galloway, but refused to accept the position.
He was formerly the Bishop of Glasgow and Galloway.
In the following year, on 30 August 1635, he was translated as Bishop of Galloway.
He was then elected Bishop of Glasgow and Galloway in 1938.
Michael Russell (1781-1848) was the first Bishop of Glasgow and Galloway from 1837 to his death in 1848.